CN221145692U - Pneumatic connector with stable connection - Google Patents

Abstract

The utility model discloses a pneumatic connector with stable connection, which comprises a pipe body, wherein the pipe body is provided with an inserting port and a connecting port, the pipe body is provided with a hollow column, a space for gas to circulate is reserved between the hollow column and the side wall of the pipe body, the hollow column and the inner wall of the pipe body are provided with connecting blocks, a plurality of channels are formed, sealing gaskets are arranged between the hollow column and the pipe body, a plurality of air holes with different sizes are uniformly distributed on the side wall of the hollow column from top to bottom by taking round dots as axes, the hollow column is provided with a baffle ring, the hollow column is provided with a piston and shields the air holes, the hollow column is provided with a spring and is abutted against the piston, so that the piston is abutted against the baffle ring, and the communication between the inserting port and the connecting port is cut off. According to the utility model, through matching the piston and the spring with the air holes with different sizes, the large impact of high-pressure air on the connection port and the equipment connection is reduced, the stability and the reliability of the connection of the two are improved, and the product has the advantages of buffering effect, connection stability improvement and the like.

Description

Pneumatic connector with stable connection

Technical Field

The utility model relates to the technical field of pneumatic connectors, in particular to a pneumatic connector with stable connection.

Background

The pneumatic connector is mainly used for connecting air piping and pneumatic tools, and can realize pipeline connection or disconnection without tools.

Most of pneumatic connectors are connected with the air pipe through quick connectors at one end and connected with equipment through threads at the other end, when the pneumatic connectors are connected with the air pipe, high-pressure air instantaneously impacts the inside of the pneumatic connectors, so that the inside of the pneumatic connectors bear high-pressure air, the high-pressure air can enable the pneumatic connectors to be connected with the equipment to generate impact force, and further the pneumatic connectors are connected with the equipment to loosen, so that the problem of air leakage is caused.

Disclosure of Invention

The utility model aims to overcome the defects of the traditional pneumatic connector design and provides a product with a buffering function and improved connection stability.

In order to solve the problems, the utility model adopts the following technical scheme.

The utility model provides a pneumatic joint of connection stability, includes the body, the body is equipped with interface, connector, the body is equipped with hollow post, and leaves the interval that lets gas circulation with the body lateral wall, hollow post and body inner wall are equipped with the connecting block, and form a plurality of passageway, be equipped with sealing washer between hollow post and the body, the lateral wall of hollow post is from last to using the dot as the axle center evenly distributed to be equipped with the different gas pocket of a plurality of size down, hollow post is equipped with the baffle ring, hollow post is equipped with the piston, and shelters from the gas pocket, hollow post is equipped with the spring to butt piston makes piston butt baffle ring, and cuts off the intercommunication between interface and the connector.

Preferably, the hollow column is provided with a bottom plate, the bottom plate is provided with a guide post, the bottom plate is further provided with a limiting block, and the spring is abutted against the bottom plate.

Preferably, the piston is provided with a counter bore, the counter bore is provided with a through hole and is arranged on the guide post, and an O-shaped sealing ring is arranged between the counter bore and the guide post.

Preferably, the connecting port is provided with an internal thread groove, and the plug-in port is provided with a quick-connection plug.

Preferably, the sealing gasket is positioned at the top of the hollow column, so that the space between the hollow column and the side wall of the pipe body is in a semi-sealing space.

Preferably, the air holes are arranged in such a way that the sizes of the air holes are from top to bottom, and the sizes of the air holes near the top of the hollow column are set to be the smallest.

The beneficial effects are that:

Compared with the prior art, the utility model has the beneficial effects that:

According to the utility model, through the air holes with different sizes matched with the piston and the spring, when high-pressure air enters through the plug-in port, the high-pressure air pushes the piston to sink, so that the air holes are gradually opened, the high-pressure air enters into the space between the hollow column and the pipe body through the air holes and flows into the connecting port through the channel, the stability of the high-pressure air on the connection port and the equipment is slowed down through the design, the occurrence of faults of gas leakage is further reduced, and the product has the advantages of buffering effect, connection stability improvement and the like.

Drawings

FIG. 1 is a schematic side sectional view of a pneumatic connector with stable connection according to the present utility model;

FIG. 2 is a schematic side cross-sectional view of a tube body of a stabilized pneumatic fitting according to the present utility model;

FIG. 3 is a schematic illustration of a piston structure with a side cross-section of a pneumatic connector of the present utility model with a stable connection;

the correspondence between the reference numerals and the component names in the drawings is as follows:

Reference numerals: 1. a tube body; 2. an interface; 3. a connection port; 4. a hollow column; 5. a sealing gasket; 6. a piston; 7. a spring; 11. a connecting block; 12. a channel; 21. a plug is connected quickly; 31. an internal thread groove; 41. air holes; 42. a baffle ring; 43. a bottom plate; 44. a guide post; 45. a limiting block; 61. countersink; 62. a through hole; 63. an O-shaped sealing ring.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1 to 3, a pneumatic connector with stable connection comprises a pipe body 1, wherein the pipe body 1 is provided with an inserting port 2 and a connecting port 3, the pipe body 1 is provided with a hollow column 4, a space for allowing gas to circulate is reserved between the hollow column 4 and the side wall of the pipe body 1, a connecting block 11 is arranged between the hollow column 4 and the inner wall of the pipe body 1, a plurality of channels 12 are formed, a sealing gasket 5 is arranged between the hollow column 4 and the pipe body 1, a plurality of air holes 41 with different sizes are uniformly distributed on the side wall of the hollow column 4 from top to bottom by taking round dots as axes, the hollow column 4 is provided with a baffle ring 42, the hollow column 4 is provided with a piston 6 and shields the air holes 41, the hollow column 4 is provided with a spring 7 and abuts against the piston 6, the piston 6 abuts against the baffle ring 42, and the communication between the inserting port 2 and the connecting port 3 is cut off;

It should be noted that the hollow column 4 is provided with a bottom plate 43, the bottom plate 43 is provided with a guide post 44, the bottom plate 43 is also provided with a limiting block 45, the spring 7 is abutted against the bottom plate 43, the bottom plate 43 provides supporting function for the guide post 44 and the spring 7, the limiting block 45 limits the sinking distance of the piston 6 and protects the spring 7, and the spring 7 is prevented from being excessively compressed;

It should be noted that, the piston 6 is provided with a counter bore 61, the counter bore 61 is provided with a through hole 62, and is arranged on the guide post 44, an O-shaped sealing ring 63 is arranged between the counter bore 61 and the guide post 44, the counter bore 61 plays a role in limiting the spring 7, the guide post 44 plays a guiding role for the piston 6, and the O-shaped sealing ring 63 prevents a gap from being generated between the piston 6 and the guide post 44, so as to provide a sealing effect;

It should be noted that the connection port 3 is provided with an internal thread groove 31, the plug-in port 2 is provided with a quick-connection plug 21, the internal thread groove 31 is convenient for connection and fixation with equipment, and the quick-connection plug 21 is convenient for quick connection or separation with an air pipe;

It should be noted that the sealing gasket 5 is located at the top of the hollow column 4, so that the space between the hollow column 4 and the side wall of the pipe body 1 is in a semi-sealing space, and the sealing gasket 5 prevents the high-pressure gas of the plug connector 2 from directly entering between the hollow column 4 and the inner wall of the pipe body 1;

It should be noted that the air holes 41 are arranged from the top to the bottom in a diameter from small to large, and the diameters of the air holes 41 close to the top of the hollow column 4 are set to be the smallest, and by setting the air holes 41 with different sizes, the flow rate of high-pressure gas is reduced, and the impact force of the connection head and the equipment connection is reduced.

The principle of use of the utility model will now be described as follows:

The air pipe of high-pressure air is inserted into the quick connector, the valve of the compressor is opened, the high-pressure air enters the inside of the pipe body 1 along the air pipe, the piston 6 is pushed to sink, the spring 7 is gradually compressed, the inside of the pipe body 1 is gradually opened to be communicated with the air hole 41, the impact of the high-pressure air on the connection port 3 and the equipment connection is reduced, the high-pressure air enters between the hollow column 4 and the inner wall of the pipe body 1 through the air hole 41, and enters the connection port 3 along the channel 12 until the piston 6 abuts against the limiting block 45, and all the air holes 41 are opened.

Through the design scheme, the product can realize the advantages of having a buffering effect and improving connection stability.

The foregoing is a further elaboration of the present utility model in connection with the detailed description, and it is not intended that the utility model be limited to the specific embodiments shown, but rather that a number of simple deductions or substitutions be made by one of ordinary skill in the art without departing from the spirit of the utility model, should be considered as falling within the scope of the utility model as defined in the appended claims.

Claims (6)

1. The utility model provides a pneumatic joint of connection stability, includes body (1), body (1) are equipped with interface (2), connector (3), its characterized in that: the utility model discloses a pipe body, including body (1), hollow post (4), connecting block (11), sealing washer (5) are equipped with between hollow post (4) and body (1), hollow post (4) lateral wall is equipped with gas hole (41) that the dot is the axle center evenly distributed from top to bottom, hollow post (4) are equipped with and keep off ring (42), hollow post (4) are equipped with piston (6), and shelter from gas hole (41), hollow post (4) are equipped with spring (7) to butt piston (6), make piston (6) butt keep off ring (42), and cut off the intercommunication between interface (2) and connector (3).

2. The connection-stable pneumatic connector of claim 1, wherein: the hollow column (4) is provided with a bottom plate (43), the bottom plate (43) is provided with a guide pillar (44), the bottom plate (43) is further provided with a limiting block (45), and the spring (7) is abutted against the bottom plate (43).

3. The connection-stable pneumatic connector of claim 2, wherein: the piston (6) is provided with a counter bore (61), the counter bore (61) is provided with a through hole (62) and is arranged on the guide post (44), and an O-shaped sealing ring (63) is arranged between the counter bore (61) and the guide post (44).

4. A connection-stable pneumatic connector as claimed in claim 3, wherein: the connecting port (3) is provided with an internal thread groove (31), and the plug-in port (2) is provided with a quick-connection plug (21).

5. The connection-stable pneumatic connector of claim 4, wherein: the sealing gasket (5) is positioned at the top of the hollow column (4), so that the space between the hollow column (4) and the side wall of the pipe body (1) is in a semi-sealing space.

6. The connection-stable pneumatic connector of claim 5, wherein: the size of the air holes (41) is arranged from the top to the bottom from small to large, and the size of the air holes (41) close to the top of the hollow column (4) is set to be the smallest.